The Arizona sentinel., 1887-10-29
MODERN FLoUR-MAKINo.
Condensed Description of the Largest Mil
 in the World.

Condensed Description of the Largest Min
 in the World.
 This article would not be complete without at least nasty description of a modern mill. Let us select for that purpose the mill at Minneapolis, which is the largest by far and probably in all respects the best appointed in the world. The building is an almost cubical stone structure, 175 feet long, 155 feet wide, and 12O feet high, with eight floors including basement On the first main floor are the long rows of encased roller machines, about two hundred and ten in number, and | eighteen runs of stone" for finishing. The second floor is a great packing room. The third. fourth. fifth and sixth floors are full of bolting and purifying machinery. There are near ly two hundred hexagonal and silk covered bolting-reels. and about three hundred middlings purifiers in the mill. Immediately contiguous is wheat elevator having a capacity of about one hundred thousand bushels, which is kept supplied from great elevators in the vicinity, some of which hold twenty times as much.
 This great mill has made more than 7,200 barrels of four in twenty-four hours. and its capacity is usually said to be 7 900 barrels. Its ordinary daily run exceeds 5000, and therefore re- quires about 9, 900 bushels of wheat. Nearly 200 cars a day are necessary to bring wheat to this mill and carry away the flour and offal. It is man. moth automaton. The wheat first passes through series of wonderfully ingenious cleaning machines, which re- move every thing thatis larger, smaller, of different shape or of higher or lower specific gravity than the grain, beside thoroughly cleansing it from adhering dust and dirt. It then proceeds through conducting pipes to the reduc- ing rollers. After each reduction the product is conveyed to the top of the building by elevators and thence re- turns from floor to floor through intri- cate series of boltiDg and purifying machines until finally delivered in the packing-room. The whole process is simple in principle. but labyrinthine in it's marvellous amplification.
 Power IS supplied the mill by two turbine water-wheels, which are fifty five inches in diameter and set in pits sixty feet deep. Together they have 2,S00 horsepower Another wheel of 400 horsepower runs the appendages of the mill-the machine shop, ele- vator, etc. The mill is also provided with steam power by huge Corliss en- gines-for use in periods of low water or other emergencies.
 The packing floor presents always busy and animated scene. A sort of automatic tramway brings up the clean oak and elm Darrels-the making of which occupies scores of coopers in CO., operative shops. In one part of the room these barrels are being filled for the New England trade. In another, small cotton sacks are preparing for the Western retail supply. Great buflap sacks holding twenty stone' (2SO pounds) for shipment to Great Britain are piling up elsewhere, while smaller sacks. weighing fifty kilo- grams Q1O4 pounds). are rapidly pack ing for consignment to Antwerp or some other continental point.
 This one great establishment sup plies bread to nearly million Ameri- cans and to about half a million Europeans. It would require pages to describe the marvellous contrivances which this mill employs for protection against fire, and its various other in- genious appointments.
 The new milling processes gave the advantage to the hard Scotch Fife wheat of Minnesota, Dakota and Man itoba, and the result was a rapid de- velopment of wheat-growing in that general region, and also of milling especially at Minneapolis. With possible exception or two in Califor- mia, there are no mills in the world outside of Minnesota that have a capacity much exceeding 1,50O bar L.